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PowerScale: Network Design Considerations
Executive summary Network architecture design Latency, bandwidth, and throughput Ethernet flow control SyncIQ considerations Quality of Service (QoS) Software-Defined Networking PowerScale OneFS ports SmartConnect considerations Ethernet, MTU, and IP overhead Access Zones best practices Source-Based Routing considerations Isilon 6th generation 1 GbE interfaces Intelligent Platform Management Interface IPv6
Introduction
Why IPv6?
IPv6 addressing
IPv6 header
IPv6 to IPv4 translation
Router Advertisements
Duplicate Address Detection
OneFS host-based firewall Network troubleshooting Appendix A: Supported network optics and transceivers Appendix B: Technical support and resources

Router Advertisements

Router Advertisements

  • PowerScale OneFS release 9.2.0.0 introduces support for IPv6 Router Advertisements (RAs). OneFS uses the RAs to update IPv6 routes. Although RAs might provide information about how to configure an IPv6 IP address using SLAAC or DHCPv6, OneFS does not use this functionality.

    Note: OneFS only updates IPv6 routes if RAs are available on the front-end external network.

    Greenfield OneFS release 9.2.0.0 clusters have the RAs feature enabled by default. For brownfield OneFS release 9.2.0.0 clusters, the RAs feature is disabled by default, preventing any existing configuration impacts. To enable the RAs feature on a brownfield OneFS release 9.2 cluster, run the following command:

    isi network external modify --ipv6-auto-config-enabled=true

    To confirm if the RAs feature is enabled, check for the ACCEPT_ROUTER_ADVERT NIC flag on the isi network interfaces list –-v command, as shown here:

    TextDescription automatically generated

    Figure 39.    ACCEPT_ROUTER_ADVERT flag